import type { AxiosResponse } from 'axios';
import {
  BACKEND_ERROR_CODE,
  createFlatRequest,
  createRequest,
} from '@sa/axios';
import { useAuthStore } from '@/store/modules/auth';
import { $t } from '@/locales';
import { localStg } from '@/utils/storage';
import { getServiceBaseURL } from '@/utils/service';
import { handleRefreshToken, showErrorMsg } from './shared';
import type { RequestInstanceState } from './type';

const isHttpProxy =
  import.meta.env.DEV && import.meta.env.VITE_HTTP_PROXY === 'Y';
const { baseURL, otherBaseURL } = getServiceBaseURL(
  import.meta.env,
  isHttpProxy
);

const hostname = window.location.hostname;

const isLocalDev = hostname === 'localhost' && !import.meta.env.REMOTE_DEV;
const isRemoteDev = import.meta.env.REMOTE_DEV;
const isPreviewDeploy =
  !!import.meta.env.VITE_PREVIEW_DEPLOY || hostname.includes('preview');

const _baseURL = baseURL;

// if (isRemoteDev) _baseURL = 'http://aaa.biaobaiqiang.vip';
// if(isPreviewDeploy) _baseURL = 'https://preview-v1.voc.ink';
// if (!isLocalDev && !isRemoteDev && !isPreviewDeploy)
// _baseURL = 'http://aaa.biaobaiqiang.vip';

export const request = createFlatRequest<
  App.Service.Response,
  RequestInstanceState
>(
  {
    baseURL: _baseURL,
    headers: {
      apifoxToken: 'XL299LiMEDZ0H5h3A29PxwQXdMJqWyY2',
    },
  },
  {
    async onRequest(config) {
      const { headers } = config;
      // set token
      const token = localStg.get('token');
      const Authorization = token ? `Bearer ${token}` : null;
      Object.assign(headers, { Authorization });

      return config;
    },
    isBackendSuccess(response) {
      // when the backend response code is "0000"(default), it means the request is success
      // to change this logic by yourself, you can modify the `VITE_SERVICE_SUCCESS_CODE` in `.env` file

      return (
        String(response.status) === import.meta.env.VITE_SERVICE_SUCCESS_CODE
      );
    },
    async onBackendFail(response, instance) {
      const authStore = useAuthStore();
      const responseCode = String(response.data.code);

      function handleLogout() {
        authStore.resetStore();
      }

      function logoutAndCleanup() {
        handleLogout();
        window.removeEventListener('beforeunload', handleLogout);

        request.state.errMsgStack = request.state.errMsgStack.filter(
          (msg) => msg !== response.data.msg
        );
      }

      // when the backend response code is in `logoutCodes`, it means the user will be logged out and redirected to login page
      const logoutCodes =
        import.meta.env.VITE_SERVICE_LOGOUT_CODES?.split(',') || [];
      if (logoutCodes.includes(responseCode)) {
        handleLogout();
        return null;
      }

      // when the backend response code is in `modalLogoutCodes`, it means the user will be logged out by displaying a modal
      const modalLogoutCodes =
        import.meta.env.VITE_SERVICE_MODAL_LOGOUT_CODES?.split(',') || [];
      if (
        modalLogoutCodes.includes(responseCode) &&
        !request.state.errMsgStack?.includes(response.data.msg)
      ) {
        request.state.errMsgStack = [
          ...(request.state.errMsgStack || []),
          response.data.msg,
        ];

        // prevent the user from refreshing the page
        window.addEventListener('beforeunload', handleLogout);

        window.$dialog?.error({
          title: $t('common.error'),
          content: response.data.msg,
          positiveText: $t('common.confirm'),
          maskClosable: false,
          closeOnEsc: false,
          onPositiveClick() {
            logoutAndCleanup();
          },
          onClose() {
            logoutAndCleanup();
          },
        });

        return null;
      }

      // when the backend response code is in `expiredTokenCodes`, it means the token is expired, and refresh token
      // the api `refreshToken` can not return error code in `expiredTokenCodes`, otherwise it will be a dead loop, should return `logoutCodes` or `modalLogoutCodes`
      const expiredTokenCodes =
        import.meta.env.VITE_SERVICE_EXPIRED_TOKEN_CODES?.split(',') || [];
      if (
        expiredTokenCodes.includes(responseCode) &&
        !request.state.isRefreshingToken
      ) {
        request.state.isRefreshingToken = true;

        const refreshConfig = await handleRefreshToken(response.config);

        request.state.isRefreshingToken = false;

        if (refreshConfig) {
          return instance.request(refreshConfig) as Promise<AxiosResponse>;
        }
      }

      return null;
    },
    // 请求成功后返回
    transformBackendResponse(response: any) {
      if (response.data.code !== 200) {
        window.$notification?.error({
          title: $t('request.request') + $t('common.error'),
          content: `${response.data.code}: ${response.data.message}`,
          duration: 4500,
        });
      }
      return response.data;
    },
    onError(error) {
      // when the request is fail, you can show error message
      console.log('error', error);

      let message = error.message;
      let backendErrorCode = '';

      // get backend error message and code
      if (error.code === BACKEND_ERROR_CODE) {
        message = error.response?.data?.msg || message;
        backendErrorCode = String(error.response?.data?.code || '');
      }

      // the error message is displayed in the modal
      const modalLogoutCodes =
        import.meta.env.VITE_SERVICE_MODAL_LOGOUT_CODES?.split(',') || [];
      if (modalLogoutCodes.includes(backendErrorCode)) {
        return;
      }

      // when the token is expired, refresh token and retry request, so no need to show error message
      const expiredTokenCodes =
        import.meta.env.VITE_SERVICE_EXPIRED_TOKEN_CODES?.split(',') || [];
      if (expiredTokenCodes.includes(backendErrorCode)) {
        return;
      }

      showErrorMsg(request.state, `${error.response?.data?.message}`);
    },
  }
);

export const demoRequest = createRequest<App.Service.DemoResponse>(
  {
    baseURL: otherBaseURL.demo,
  },
  {
    async onRequest(config) {
      const { headers } = config;

      // set token
      const token = localStg.get('token');
      const Authorization = token ? `Bearer ${token}` : null;
      Object.assign(headers, { Authorization });

      return config;
    },
    isBackendSuccess(response) {
      // when the backend response code is "200", it means the request is success
      // you can change this logic by yourself
      return response.data.status === '200';
    },
    async onBackendFail(_response) {
      // when the backend response code is not "200", it means the request is fail
      // for example: the token is expired, refresh token and retry request
    },
    transformBackendResponse(response) {
      return response.data.result;
    },
    onError(error) {
      // when the request is fail, you can show error message

      let message = error.message;

      // show backend error message
      if (error.code === BACKEND_ERROR_CODE) {
        message = error.response?.data?.message || message;
      }

      window.$message?.error(message);
    },
  }
);
